`ultratech.vn`

DNSSEC	⚠️ Not signed
A	103.57.221.31^{🇻🇳 VNPT-AS-VN103.57.220.0/22 INET-VN}
NS	`ns-b3.tenten.vn` ⭐
		A	2404:f080:1101:321:a150:95:110:1232^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`va150-95-110-123-2.a00e.g.han1.static.cnode.io`
		A	163.44.207.21^{🇻🇳 GMO-ZCOM-AS-VN163.44.206.0/23 RUNSYSTEM-VN}
			PTR	`v163-44-207-21.a006.g.han1.static.cnode.io`
NS	`ns-b1.tenten.vn`
		A	2404:f080:1101:321:a150:95:110:1230^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`va150-95-110-123-0.a00e.g.han1.static.cnode.io`
		A	137.59.104.67^{🇻🇳 GMO-ZCOM-AS-VN137.59.104.0/22 RUNSYSTEM-VN}
			PTR	`static-pool.tenten.vn`
NS	`ns-b2.tenten.vn`
		A	2404:f080:1101:321:a150:95:110:1231^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`va150-95-110-123-1.a00e.g.han1.static.cnode.io`
		A	137.59.104.68^{🇻🇳 GMO-ZCOM-AS-VN137.59.104.0/22 RUNSYSTEM-VN}
			PTR	`static-pool.tenten.vn`
MX	`mx1.larksuite.com` ⭐
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.larksuite.com`⁽⁵⁾
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
MX	`mx3.larksuite.com`⁽¹⁰⁾
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.223^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.230.154^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`verification-code-site-App_lark=1DaUg7eVHOjYW0Qe4M0R`
TXT	`v=spf1 +include:spf.onlarksuite.com -all`
SOA	`ns-b3.tenten.vn`noreply@tenten.vn serial=1715636184

`vn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn`
	NS	`b.dns-servers.vn`
	NS	`c.dns-servers.vn`
	NS	`d.dns-servers.vn`
	NS	`e.dns-servers.vn`
	NS	`f.dns-servers.vn`
	NS	`g.dns-servers.vn`
	NS	`h.dns-servers.vn`
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2030753578

Subdomains

www.ultratech.vn

Same first word

Similar names

DNS History

7 records (7 active, 0 former)

●NSns-b1.tenten.vn2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 12:32:12
● 2026-05-09 23:10:56

●NSns-b2.tenten.vn2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 12:32:12
● 2026-05-09 23:10:56

●NSns-b3.tenten.vn2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 12:32:12
● 2026-05-09 23:10:56

●MXmx1.larksuite.com2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 12:32:12
● 2026-05-09 23:10:56

●MXmx2.larksuite.com2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 12:32:12
● 2026-05-09 23:10:56

●MXmx3.larksuite.com2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 12:32:12
● 2026-05-09 23:10:56

●A103.57.221.312026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 12:32:12
● 2026-05-09 23:10:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
ultratech.vn	ns-b1.tenten.vn, ns-b2.tenten.vn, ns-b3.tenten.vn	-

✅ Authoritative Response

Server:163.44.207.21

NS records: ns-b1.tenten.vn, ns-b2.tenten.vn, ns-b3.tenten.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ultratech.vn (unsigned zone)

⏱️ Timing

Total: 1860ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.57.221.31`
NS	3	`ns-b2.tenten.vn, ns-b1.tenten.vn...`
MX	3	`mx1.larksuite.com (pri: 1), mx2.larksuite.com (pri: 5)...`
TXT	2	`verification-code-site-App_lark=1DaUg7eV, v=spf1 +include:spf.onlarksuite.com -all`
SOA	1	`ns-b3.tenten.vn noreply.tenten.vn`

Analysis

Hierarchy

ultratech.vn is a parent of www.ultratech.vn.

IP Addresses

ultratech.vn points to a single IP address: 103.57.221.31.

Other host names such as www.chonoithatoto.vn, net.xn--dcphmpqa-hic7825eesa.vn, mail.vmt.com.vn, autodiscover.diepanhbookstore.com.vn and cpcontacts.diepanhbookstore.com.vn share IP numbers with ultratech.vn.

Name Servers

ultratech.vn is delegated to three name servers: ns-b1.tenten.vn, ns-b2.tenten.vn and ns-b3.tenten.vn.

At least part of the name servers for ultratech.vn are shared with other domains, for instance oos.com.vn, kiathaodienhcm.vn, dinhtibooks.com.vn, vinfastnguyentrai.com.vn and solarviettien.com.vn.

Host names with two IP numbers:

ns-b1.tenten.vn points to 2404:f080:1101:321:a150:95:110:1230 and 137.59.104.67

ns-b2.tenten.vn points to 2404:f080:1101:321:a150:95:110:1231 and 137.59.104.68

ns-b3.tenten.vn points to 2404:f080:1101:321:a150:95:110:1232 and 163.44.207.21

Mail Servers

Three mail servers handle ultratech.vn: mx1.larksuite.com, mx2.larksuite.com and mx3.larksuite.com.

ultratech.vn shares at least some mail servers with other domains, for example kcs.foundation, thgdx.vn, aff.vn, nvata.com and efinanceco.com.

Host names with three IPs:

Host name mx3.larksuite.com points to: 18.139.153.173, 101.126.58.223 and 122.14.230.154.

Host names with a single IP:

Host name mx1.larksuite.com points to: 18.139.153.173.

Host name mx2.larksuite.com points to: 18.139.153.173.

Names pointing to 18.139.153.173: mx3.larksuite.com, mx1.larksuite.com and mx2.larksuite.com.

ultratech.vn - robtex.com

ultratech.vn

vn

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`ultratech.vn`

`vn`